Eroare de compilare: user.cpp: In function ‘void show()’: user.cpp:10:9: error: ‘out’ was not declared in this scope out<<st[i]<<" "; ^ user.cpp:11:5: error: ‘out’ was not declared in this scope out<<'\n'; ^ user.cpp: In function ‘int cmmdc(int, int)’: user.cpp:22:5: error: expected ‘;’ before ‘}’ token } ^ user.cpp: In function ‘int backtr(int)’: user.cpp:44:19: error: ‘j’ was not declared in this scope st[k]=j; ^ user.cpp:49:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:53:5: error: ‘in’ was not declared in this scope in>>n; ^